Mineral paint



UNITED STATES PATENT OFFICE.

DARWIN E. GOODELL, OF GERMANO, OHIO.

MINERAL PAINT.

SPECIFICATION forming part of Letters Patent No. 236,885, dated January25, 1881.

Application filed April 2'7, 1878.

To all whom it may concern:

Be it known that I, DARWIN E. GoonELL, of Germano, in the county ofHarrison and State of Ohio, have invented certain new and usefulImprovements in Mineral Paint; and I do hereby declare that thefollowing is a full, clear, and exact description of the invention,which will enable others skilled in the art to which it pertains to makeand use the same.

My invention consists in a mineral powder made from a streak, band, orstratum of mineral found in coal-banks, said band or stratum beingcommonly known among coal-miners by the name of soot or soot-band, andmixed or combined with linseed-oil, lacquer, or varnish, as hereinafterexplained.

This mineral substance called soot or soot-band has been found byanalysis to consist of coaly matter, about one third, and sand andpyrites about two-thirds-or, in one thousand parts, carbon and coal,three hundred parts; residue after ignition, seven hundred parts. Thisresidue contained sesquioxide of iron With blackish crust, which wasmagnetic and silicious, and did not effervesce with hydrochloric acid,but yielded H 8. The mineral is found-in the coal-fields in Harrisoncounty, in the eastern part of the State of Ohio.

The mineral band is first prepared by being subjected to a sufficientdegree of heat to remove from it all the sulphur, gas, and oil which maybe held by it, after which it is reduced, as

near as possible, to an impalpable powder by any suitable means. Thispowder is then When it is desired to use the paint, turpentine orbenzine is added in sufiicient quantity to reduce the consistency to adegree which will flow readily from the brush. The turpentine or benzineperforms the same functions in this as in ordinary paints-namely, as adrier and to thin the paint for the brush.

This paint, when dry, is very hard and durable, and is especiallyadapted for use on surfaces exposed to the sun and weather. The actionof the suns rays renders it harder, and ordinary dampness has no effectupon it. It makes a stone-like enamel coating over the surface to whichit is applied, and it is susceptible of a very fine polish when properlyrubbed down; It is well adapted for indoor surfaces where a black ordark color is desired.

The powder and oil, lacquer, or varnish may be taken in differentproportions from that stated hereinbefore; but I have realized the bestresults when the ingredients are taken in about the relative quantitiesstated.

Having thus described my invention, What I claim, and desire to secureby Letters Patent, is-

A mineral paint composed of a powder made from the described substanceknown as soot or soot-baud, found in strata in coal-banks, mixed withlinseed-oil or other suitable vehicle, substantially as set forth.

In testimony that I claim the foregoing as my own I affix my signaturein presence of two witnesses.

DARWIN E. GOODELL.

Witnesses:

JAMES M. Soorr, ELIZABETH ScoTT.

